420762885 has 32 divisors (see below), whose sum is σ = 733104000. Its totient is φ = 205261056.

The previous prime is 420762871. The next prime is 420762889. The reversal of 420762885 is 588267024.

It is a happy number.

420762885 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 420762885 - 2¹⁹ = 420238597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420762889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17190 + ... + 33719.

It is an arithmetic number, because the mean of its divisors is an integer number (22909500).

Almost surely, 2^420762885 is an apocalyptic number.

It is an amenable number.

420762885 is a deficient number, since it is larger than the sum of its proper divisors (312341115).

420762885 is a wasteful number, since it uses less digits than its factorization.

420762885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50965.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 420762885 is about 20512.5055758676. The cubic root of 420762885 is about 749.3403889433.

The spelling of 420762885 in words is "four hundred twenty million, seven hundred sixty-two thousand, eight hundred eighty-five".